<template>
  <view class="my-settle-container">
    <label class="radio">
      <radio color="#C00000" :checked="isFullCheck" @click="updateCheck" /><text>全选</text>
    </label>
    <view class="amount-box">
      合计： <text class="amount">￥{{checkGoodsAmount}}</text>
    </view>
    <view class="btn-settle" @click="settlement">
      结算（{{checkedCount}}）
    </view>
  </view>
</template>

<script>
  import { mapGetters,mapMutations,mapState } from 'vuex'
  export default {
    name:"my-settle",
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkGoodsAmount']),
      ...mapGetters('m_user',['addStr']),
      ...mapState('m_user',['token']),
      isFullCheck(){
        return this.total === this.checkedCount
      }
    },
    data() {
      return {
        seconds: 3,
        timer: null
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      updateCheck(){
        this.updateAllGoodsState(!this.isFullCheck)
      },
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')
        if(!this.addStr) return uni.$showMsg('请选择收货地址！')
        // if(!this.token) return uni.$showMsg('请先登录')
        console.log(this.token)
       if(!this.token) return this.delayNavigate()
        // 4. 实现微信支付功能
         this.payOrder()
      },
      payOrder(){
        // 1. 创建订单
          // 1.1 组织订单的信息对象
          const orderInfo = {
            // 开发期间，注释掉真实的订单价格，
            // order_price: this.checkedGoodsAmount,
            // 写死订单总价为 1 分钱
            order_price: 0.01,
            consignee_addr: this.addstr,
            goods: this.cart.filter(x => x.goods_state).map(x => ({ goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price }))
          }
          // 1.2 发起请求创建订单
          const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
          if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
          // 1.3 得到服务器响应的“订单编号”
          const orderNumber = res.message.order_number
        
           // 2. 订单预支付
         // 2.1 发起请求获取订单的支付信息
          const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
          // 2.2 预付订单生成失败
          if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
          // 2.3 得到订单支付相关的必要参数
          const payInfo = res2.message.pay
           // 3. 发起微信支付
           // 3.1 调用 uni.requestPayment() 发起微信支付
              const [err, succ] = await uni.requestPayment(payInfo)
              // 3.2 未完成支付
              if (err) return uni.$showMsg('订单未支付！')
              // 3.3 完成了支付，进一步查询支付的结果
              const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
              // 3.4 检测到订单未支付
              if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
              // 3.5 检测到订单支付完成
              uni.showToast({
                title: '支付完成！',
                icon: 'success'
              })
      },
      showTips(n){
        uni.showToast({
          icon:'none',
          title:'请登录后结算！'+n+'秒之后自动跳转到登录页',
          mask:true,
          duration:1500
        })
      },
      delayNavigate(){
        this.seconds = 3
        this.showTips(this.seconds)
        
        this.timer =setInterval(()=>{
          this.seconds--
          if(this.seconds<=0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  openType: 'switchTab',
                  from: '/pages/cart/cart'
                })
              }
            })
            return
          }
          this.showTips(this.seconds)
        },1000)
      }
    }
  }
</script>

<style lang="scss">
  .my-settle-container {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    background-color: white;
    .radio{
      display: flex;
      align-items: center;
    }
    .amount-box{
      .amount{
        color: #C00000;
        font-weight: bold;
      }
    }
    .btn-settle{
      background-color: #C00000;
      height: 50px;
      color: white;
      line-height: 50px;
      padding: 0 10px;
      min-width: 100px;
      text-align: center;
    }
  }
</style>
